Korg MS-20 Mini Semi-modular Analog Synthesizer

37-key Classic Analog Synthesizer with Mini Patch Bay, External Signal Processor, MIDI In, and USB for MIDI Connectivity
Korg MS-20 Mini Semi-modular Analog Synthesizer image 1
Korg MS-20 Mini Semi-modular Analog Synthesizer image 1
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Korg MS-20 Mini Semi-modular Analog Synthesizer
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A Legendary Synthesizer Reborn

Back and smaller than ever, Korg's MS-20 Mini analog synthesizer revives the legendary MS-20 synth in all of its glory, but at 86% of the original size. This is no copycat knockoff either - the MS-20 Mini is nearly identical to the original, with the same analog oscillators, first-generation filters, and a VCA that's been tweaked to reduce noise. You'll also find cool new additions onboard the Korg MS-20 Mini, including MIDI in and USB connectivity.

Korg MS-20 Mini Monophonic Analog Synthesizer at a Glance:
  • Just like the original, only smaller and cleaner
  • External signal processor unlocks a world of creative options
  • Onboard MIDI and USB let you connect all your music gear
Just like the original, only smaller and cleaner

It's no secret that technology's gotten a lot smaller since the late '70s, so when Korg decided to bring the MS-20 back, they decided to drop down the scale, making the MS-20 Mini exactly 86% the size of the original. Best of all, they did it without changing any of the core components, with the exception of the voltage controlled amp (VCA), which they tweaked to be less noisy. They even shrank down the MS-20 Mini's patch bay, trading the 1/4" phono jacks for 1/8" mini jacks to make extra room.

External signal processor unlocks a world of creative options

Plug your guitar or microphone directly into the Korg MS-20 Mini and start tweaking. You won't believe the fun and funky sounds you can come up with. Utilizing the MS-20 Mini's external signal processor (ESP) section, you can use almost any sound source to control the pitch or volume of this incredibly flexible synth. It's all possible with the MS-20 Mini.

Onboard MIDI and USB lets you connect all your music gear

Here's something die-hard synth nuts would have given an arm and a leg for back in 1978: advanced connectivity via MIDI and USB. With its MIDI in port, you can easily incorporate your Korg MS-20 Mini into your live keyboard rig or add a full-sized keyboard to gain access to a much wider note range. USB opens up even greater possibilities, allowing you to integrate your MS-20 Mini with the rest of your studio DAW.

Korg MS-20 Mini Monophonic Analog Synthesizer Features:
  • The legendary 1978 Korg MS-20 analog synthesizer reborn
  • Built to 86% scale, making this MS-20 more portable than ever
  • Provides powerful vintage sound, from deep, growling basses to crisp, rounded leads
  • 2 oscillators with ring modulation provide a wide range of sound
  • Envelope generators with delay and hold add exciting motion to your tone
  • VCA maintains the original basic design, but with reduced noise
  • First-generation filter design (highpass/lowpass with peak/resonance) capable of self-oscillation
  • ESP utilizes the pitch or volume of an external audio source to control the synthesizer
  • 1/8" jack-based patching bay lets you create complex sounds
  • 37-note keyboard is also 86% the size of the original
  • MIDI in and USB connector provides keyboard and DAW MIDI connectivity
  • Includes original MS-20 owner's manual and settings chart
Dive into classic synth history with the Korg MS-20 Mini analog synthesizer!

Additional Media

MS-20 Mini Semi-modular Analog Synthesizer User Manual
Original MS-20 User Manual
The Return of a Vintage Analog Synth
NAMM News: Korg MS-20 Mini

Tech Specs

Sound Engine Type(s) Analog
Number of Keys 37
Type of Keys Synth
Other Controllers Pitchbend, Mod Button
Polyphony Monophonic
Audio Inputs 1 x 1/8" (TS)
USB 1 x Type B
Height 8.19"
Width 19.41"
Depth 10.12"
Weight 10.58 lbs.
Manufacturer Part Number MS20MINI

Customer Reviews

Based on 21 reviews
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Super Synth, the MS-20

I can't speak highly enough about this synthesizer. Its just amazing how I can just get lost for hours coming up with my own patches. Its analog bliss! I spend hours designing sounds. And when I'm not playing it, I daydream about playing it. Every bit of this flawless Japanese synthesizer is quality engineered. The "noise issue" people were complaining about scared me too when I first powered it on, but once you break it in and adjust the settings a bit, the noise is almost completely gone. I don't even notice it any more. The glorious chaos that is emitted from this beast is unheard of, to me. And with the SQ-1 plugged in, its just wonderful. I just really really love this synth! Thank you, Korg! And thank you, Sweetwater!
Music background: synth-player, songwriter, recording producer

Was skeptical, really blown away

I probably shouldn't even be writing this review since I have not dug nearly as deep as you can with this amazing little synth. It was cheap and I had a free input so I figured why not give it a try. Whoa this thing is fast becoming my favorite synth. This thing does killer bass, really lifelike almost like what you get when you play a bass guitar. Every single note doesn't sound like a carbon copy of the last one. Very lifelike and alive. It is so basic yet so easy to find a good sound with. I've never really had a true analog synth, I can really see what all the fuss is about this is a real instrument capable of nuance and detail like few other synths I've owned.
Music background: musician

A true classic

This synth is worth every dime of $599! It sounds just like 1978! The sound on this beast is incredible. I have to give much credit to Korg for reproducing a true legend instead of making another "Virtual" Analog. If we could only get Roland to do the same with the original Jupiter 8. There will always be people who complain its an anachronistic anomaly or gripe about being Monophonic but they can go buy a access virus or something like that. (I like them too) Its a very very very close rebirth of the original MS 20 for $599, how can you go wrong?? The Patching Manual is very helpful if your like me and dont have much experience on the "Modular" patch bay. If your new to Synth's this is probably the best kind to learn on. No pain in the neck Menus / Sub-Menus to deal with just straight up knob twiddling. Maybe we'll get lucky and these kind of units will bring back New Wave / Electro / Synth Pop of the early 80's. You wont regret buying this unit! ............Korg.....Im waiting on a Polysix now!!
Music background: Early 90's Trance/Deep House, Tribal, Techno, New Wave

I can taste the sound

Delectable wholeness, a "synth" purity. Your flavor? Like the better features @ a buffet, mixing the seasonings of the 2 vco's with the rest of the available choices laid before you. Push this thru some effects to send the mass of the notes into orbit. The 2 envelope generators can assist in floating your music while you manipulate the knobs & patch cords with both hands to unfold the unending dimensions layered within this analog treasurechest. Excuse the overcolored description, just caught up in the textures which can be wrung from the mini. May as well get one, use it for it's creative purpose & release yourself from comparing every feature of every other synth against the basic form of a primal sound machine.
Music background: all the typical stuff

Monotron on steroids.

A highly addictive and fun yet Very stubborn synth that excels at making sound effects, and external processing. It can produce bass and leads (it nails the synth part in "just what i needed" and such... not moog thick and smooth; but primitive, raw, and screechy. Good build quality on this, Sorry if you received a lemon. Look elsewhere if you just need conventional sounds and easy. This synth is like that rude person at work everyone hates except for you, cause you took the time to know him. In other words, it has its quirks, rough around the edges, and your paitience wiith this will reward you. My very first knobby monosynth! Thank you Katie Stockman! P.s. some line level noise is normal. Try cutting some of the highs on your mixer and don't put master volume on the synth all the way up.
Music background: Hobbit Musician

Sweetwater Advice

Rob Parker

I have a sort of “revolving door” policy in my studio when it comes to synths, so I've owned dozens. However, I will never let go of my Korg MS-20 Mini. Iit delivers a powerful analog sound and has what are possibly my favorite filters of any synth! It's simple enough that anyone can create inspiring sounds, but if you're a synth nerd like me, three hours can pass by very quickly when patching and tweaking! There are so many features in the MS-20, I almost always discover something new every time I play with mine.

Carson McClain

This synth is one of my favorites. (I own the original along with the SQ-10 sequencer that was designed for it.) The filters and its mix of simplicity and complexity make it a classic. When you start patching cables and processing your other instruments through its filters, you'll be inspired to make sounds you never made before. The Korg MS-20 Mini is a must-have synth for any electronic musician.
See also: Korg, Korg Synthesizers